/**
 * 登录页面
 * @author 杨世峰
 */

<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">自家用英语学习平台</h3>
      <el-form-item prop="phoneNumber">
        <el-input v-model="loginForm.phoneNumber" type="text" auto-complete="off" placeholder="手机号">
          <i slot="prefix" icon-class="user" class="el-icon-user-solid el-input__icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
          @keyup.enter.native="handleLogin">
          <i slot="prefix" icon-class="password" class="el-icon-lock el-input__icon" />
        </el-input>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox>
      <el-form-item style="width: 100%">
        <el-button :loading="loading" size="medium" type="primary" style="width: 100%"
          @click.native.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>

    <div class="el-login-footer">
      <span>©自家用英语学习平台</span>
    </div>
  </div>
</template>

<script>
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        phoneNumber: "admin",
        password: "admin123",
        rememberMe: false,
      },
      loginRules: {
        phoneNumber: [
          { required: true, trigger: "blur", message: "请输入您的手机号" },
          { min: 11, max: 11, message: "请输入正确的手机号", trigger: "blur" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
      },
      loading: false,
    };
  },
  computed: {
    roleId() {
      return this.$store.getters.roleId
    }
  },

  created() {
    this.getCookie();
  },
  methods: {
    getCookie() {
      const phoneNumber = Cookies.get("phoneNumber");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        phoneNumber: phoneNumber === undefined ? this.loginForm.phoneNumber : phoneNumber,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },

    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("phoneNumber", this.loginForm.phoneNumber, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("phoneNumber");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              if (this.roleId == 2) {
                this.$router.push('/userhome').catch(() => { });
              } else if (this.roleId == 1) {
                this.$router.push('/administratorHome').catch(() => { });
              }
            })
            .catch(() => { }).then(() => { this.loading = false })
        }
      });
    },
  },
};
</script>


<style rel="stylesheet/scss" lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.webp");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 300px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>